Roku earnings top expectations, but its stock still sinks

Roku Inc. topped expectations with its latest results, but shares of the media-streaming company tumbled 15% in Thursday’s extended session. The company reported a fourth-quarter net loss of $78 million, or 55 cents a share, compared with a loss of$237 million, or $1.70 a share, in the year-earlier period. Roku ROKU, +3.57$47.7 million, ahead of th ...